\begin{table}[htp]
\centering
\begin{tabularx}{\linewidth}{X*{1}ccccccccc}
\toprule
				&	&	Number of &	Mean &	Std &	50th&	75th&	90th &	95th&	99th\\
				&	&	Observations&	&	Dev&	Pctl&	Pctl&	Pctl&	Pctl&	Pctl\\
\toprule
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\multicolumn{8}{l}{\textbf{Panel A: Patent-level Data}}\\
\addlinespace[0.25em]
\cmidrule(lr){1-10}
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\textit{\textbf{Patents filed in 1910–1929}}& &\\
\addlinespace[0.5em]
Independent Number Citations & &   473,517	&        2.1	&       4.2	&       1	&       3	&       6	&       8	&        16	\\
Firm Number Citations & &   251,773	&        2.1	&       3.8	&       1	&       3	&       6	&       8	&        16	\\
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\textit{\textbf{Patents filed in 1930–1949}}& &\\
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Independent Number Citations & &   250,930	&        5.4	&       7.6	&       3	&       7	&      12	&      17	&        31	\\
Firm Number Citations & &   348,039	&        5.7	&       7.7	&       4	&       7	&      13	&      18	&        33	\\
\toprule
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\multicolumn{8}{l}{\textbf{Panel B:  County-decade-level Data}}
& &\\
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\textit{\textbf{Patents filed in 1910–1929}}\\
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Independent Number Patents & &     5,950	&       78.8	&     546.4	&      13	&      34	&      99.5	&     217	&     1,245	\\
Firm Number Patents & &     5,950	&       42.2	&     380.6	&       0	&       3	&      25.5	&      92	&       885	\\
Independent Number Citations & &     5,950	&      166.7	&   1,285.5	&      21	&      59	&     196	&     441	&     2,689	\\
Firm Number Citations & &     5,950	&       90.2	&     830.6	&       0	&       5	&      50.5	&     193	&     2,063	\\
Independent Average Citations & &     5,950	&        1.7	&       1.4	&       1.5	&       2.2	&       3	&       3.6	&       6.1	\\
Firm Average Citations & &     5,950	&        0.9	&       2.3	&       0	&       1.4	&       2.7	&       3.7	&         7	\\
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\textit{\textbf{Patents filed in 1930-1949}}\\
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Independent Number Patents & &     5,950	&       41.3	&     304.1	&       4	&      13	&      46	&     107	&       715	\\
Firm Number Patents & &     5,950	&       57.6	&     420.1	&       1	&       5	&      39	&     147	&     1,435	\\
Independent Number Citations & &     5,950	&      223.9	&   1,751.8	&      17	&      62	&     241	&     556	&     3,928	\\
Firm Number Citations & &     5,950	&      328.5	&   2,386.6	&       0	&      26	&     218.5	&     784	&     8,269	\\
Independent Average Citations & &     5,950	&        3.9	&       3.6	&       3.8	&       5.5	&       7.3	&       9	&        14	\\
Firm Average Citations & &     5,950	&        2.9	&       4.4	&       0	&       5	&       7.6	&      10	&        20	\\
\bottomrule
\end{tabularx}
\end{table}
